GM1
MET.TR.115(a) Meteorological bulletins
DATA TYPES AND CODE FORMS
FOR METEOROLOGICAL INFORMATION
The specifications for data types and code forms for meteorological information should be as follows:
— IWXXM GML form;
— IWXXM context (class) diagrams with identified features, types and allowed enumerations are published in the WMO Manual on Codes (WMO-No. 306) Volume I.3, Part D ‘Representations derived from data models’;
— Guidance on the implementation of IWXXM is provided in ICAO Doc 10003 ‘Manual on the ICAO Meteorological Information Exchange Model (IWXXM)’;
— Guidance on the implementation and exchange of IWXXM in the EUR Region is provided in ICAO EUR Doc 033 ‘Guidelines for the Implementation of OPMET Data Exchange using IWXXM in the EUR Region’;
— Alphanumeric code form as specified in the WMO Manual on Codes (WMO-No. 306),
— Volume I.1, Part A ‘Alphanumeric Codes’;
— Abbreviated plain language form as prescribed in the AMC (AMC1 MET.TR.115(a), AMC1 MET.TR.200(a), AMC1 MET.TR.200(a)(12), AMC3 MET.TR.215(a), AMC1 MET.TR.235(a), AMC1 MET.TR.235(c), AMC2 MET.TR.250(a), AMC1 MET.TR.255(a), AMC1 MET.TR.265, AMC1 MET.TR.270) describing the meteorological information being provided;
— ‘Gridded binary’ (GRIB) code form as specified in the WMO Manual on Codes (WMO-No. 306), Volume I.2, Part B ‘Binary Codes’;
— ‘Binary universal form for the representation of meteorological data’ (BUFR) code form as specified in the WMO Manual on Codes (WMO-No. 306), Volume I.2, Part B ‘Binary Codes’;
— portable network graphics (PNG) form.
EASA aviation regulations mandate specific data types and code formats for meteorological bulletins, including IWXXM GML, alphanumeric codes, abbreviated plain language, GRIB, BUFR, and PNG. These formats ensure standardized weather information exchange for safe air navigation, referencing WMO and ICAO documentation for implementation guidance.
* Summary by Aviation.Bot - Always consult the original document for the most accurate information.
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